[Class] Treeview Class (Tree and Node)

After finding how to communicate between classes I improved the previous version and since it is completely different, I opened a new thread for it.

There is a Tree class, in which you have to define the nature of the tree (what database it displays). This class manages the nodes which are defined by another class.

I implemented a horizontal "scroll panel" to compensate for the scrollview's lack of it.

The main is a demo with one tree in portrait and two trees in landscape node.

Edit:...

[Class] Treeview Class (Tree and Node)

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